Schedule 13G

Digital Realty Trust, Inc.

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

253868103

(CUSIP Number)

Calendar Year 2008

(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No.

1. Names of Reporting Persons.
   I.R.S. Identification Nos. of above persons (entities only).

   STICHTING PENSIOENFONDS ABP
   98-0140331

2. Check the Appropriate Box if a Member of a Group (See Instructions)
   1.  
   2.  
3. SEC Use Only
4. Citizenship or Place of Organization

   The Kingdom of the Netherlands

9. Aggregate Amount Beneficially Owned by Each Reporting Person

   3,844,915

10. Check if the Aggregate Amount in Row 9 Excludes Certain Shares (See Instructions)    
11. Percent of Class Represented by Amount in Row 9

    5.27%

12. Type of Reporting Person (See Instructions)

    N/A

Item 1.

1. Name of Issuer

   Digital Realty Trust Inc.

2. Address of Issuer's Principal Executive Offices

   560 Mission Street
   Suite 2900
   San Francisco, CA 94105

Item 2.

1. Name of Person Filing

   Stichting Pensioenfonds ABP

2. Address of Principal Business Office or, if None, Residence

   Oude Lindestraat 70, Postbus 2889, 6401 DL Heerlen, The Kingdom of the Netherlands

3. Citizenship

   The Kingdom of the Netherlands

4. Title of Class of Securities

   Common Stock, par value $0.01 per share

5. CUSIP Number

   253868103

Item 3. If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

1.    Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).
2.    Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).
3.    Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).
4.    Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C 80a-8).
5.    An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);
6. √   An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);
7.    A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);
8.    A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
9.    A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
10.    Group, in accordance with §240.13d-1(b)(1)(ii)(J).

Item 4. Ownership

1. Amount beneficially owned:

   3,844,915

2. Percent of class:

   5.27%

3. Number of shares as to which the person has:
   1. Sole power to vote or to direct the vote:

      3,844,915

   2. Shared power to vote or to direct the vote:

      0

   3. Sole power to dispose or to direct the disposition of:

      3,844,915

   4. Shared power to dispose or to direct the disposition of:

      0

Item 5. Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following    .

Item 6. Ownership of More than Five Percent on Behalf of Another Person.

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company

Item 8. Identification and Classification of Members of the Group

Item 9. Notice of Dissolution of Group

Item 10. Certification

Not applicable.

Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

February 12, 2009

Date

Stichting Pensioenfonds ABP
/s/ Kim Killion

Signature

Kim Killion
Acting Chief Compliance Officer

Name / Title

NOTE: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See §240.13d-7 for other parties for whom copies are to be sent.

Attention: Intentional misstatements or omissions of fact constitute Federal criminal violations (See 18 U.S.C. 1001)